A binder for forming electrodes of non-water electrochemical device, an electrode composition, an electrode structure and an electrochemical device

The present invention provided a binder for forming a nonaqueous electrochemical element electrode giving an electrode having stability to a nonaqueous electrolyte and good adhesiveness to a collector base body and giving electrode mix slurry having good application processing suitabilty for forming...

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Bibliographische Detailangaben
1. Verfasser:	SAKUMA MITSUYASU,SATO HIROSHI,MARUYAMA KOJI,AHIKONOBUO,SAITO KUNIYUKI,YOSHIDA MASAOMI,ABE MASAO,NAGAI AISAKU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRICITY METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provided a binder for forming a nonaqueous electrochemical element electrode giving an electrode having stability to a nonaqueous electrolyte and good adhesiveness to a collector base body and giving electrode mix slurry having good application processing suitabilty for forming the electrode. A vinylidene fluoride homopolymer A having an inherent viscosity of 0.5-1.5 dl/g and a vinylidene fluoride polymer B having an inherent viscosity 1.4 or more times higher than that of the polymer A are mixed so that a ratio of the polymer A to the total quantity of the polymers A and B becomes 60-98 wt.%.